... ,F11,F21 Alloy SB564 etc4. Type : Welding Neck,Slip-On,Bind,Long Welding Neck, Orifice, Tube sheet Forged Neck, Spectacle, Bleed ring ... , Spade, Cap, Main shaft, etc.5. Pressure : 150LB ~2500LB6. Face type : Raised, Flat, Ring joint, Lapped joint. etc ...